Abundance of resources = trade/cooperation
Scarcity of resources = conflicts
The more resources you have the more likely a civilization was to get along with those around it, although at the same time if the civilization was weak and had a lot of resources it would be at risk of invasion/attack.
house work should be your answer.
How do you use the links I have been seeing them everywhere
They increased the linkilyhood, but the Eurpeans got sick and died
It would be Australia,Britain and China
